7213479020 has 48 divisors (see below), whose sum is σ = 16538600736. Its totient is φ = 2620992000.

The previous prime is 7213479017. The next prime is 7213479023. The reversal of 7213479020 is 209743127.

It is an interprime number because it is at equal distance from previous prime (7213479017) and next prime (7213479023).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7213479023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278210 + ... + 303030.

It is an arithmetic number, because the mean of its divisors is an integer number (344554182).

Almost surely, 2^7213479020 is an apocalyptic number.

It is an amenable number.

7213479020 is an abundant number, since it is smaller than the sum of its proper divisors (9325121716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7213479020 is a wasteful number, since it uses less digits than its factorization.

7213479020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26162 (or 26160 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 7213479020 is about 84932.2024911635. The cubic root of 7213479020 is about 1932.1830042246.

The spelling of 7213479020 in words is "seven billion, two hundred thirteen million, four hundred seventy-nine thousand, twenty".